/** * Popup is a class to create a popup window with some text * @param {Element} container The container object. * @param {Number} [x] * @param {Number} [y] * @param {String} [text] * @param {Object} [style] An object containing borderColor, * backgroundColor, etc. */ class Popup { constructor(container) { this.container = container; this.x = 0; this.y = 0; this.padding = 5; this.hidden = false; // create the frame this.frame = document.createElement('div'); this.frame.className = 'vis-network-tooltip'; this.container.appendChild(this.frame); } /** * @param {number} x Horizontal position of the popup window * @param {number} y Vertical position of the popup window */ setPosition(x, y) { this.x = parseInt(x); this.y = parseInt(y); } /** * Set the content for the popup window. This can be HTML code or text. * @param {string | Element} content */ setText(content) { if (content instanceof Element) { this.frame.innerHTML = ''; this.frame.appendChild(content); } else { this.frame.innerHTML = content; // string containing text or HTML } } /** * Show the popup window * @param {boolean} [doShow] Show or hide the window */ show(doShow) { if (doShow === undefined) { doShow = true; } if (doShow === true) { var height = this.frame.clientHeight; var width = this.frame.clientWidth; var maxHeight = this.frame.parentNode.clientHeight; var maxWidth = this.frame.parentNode.clientWidth; var top = (this.y - height); if (top + height + this.padding > maxHeight) { top = maxHeight - height - this.padding; } if (top < this.padding) { top = this.padding; } var left = this.x; if (left + width + this.padding > maxWidth) { left = maxWidth - width - this.padding; } if (left < this.padding) { left = this.padding; } this.frame.style.left = left + "px"; this.frame.style.top = top + "px"; this.frame.style.visibility = "visible"; this.hidden = false; } else { this.hide(); } } /** * Hide the popup window */ hide() { this.hidden = true; this.frame.style.visibility = "hidden"; } } export default Popup;